RCP API version3 is older than min required by host 4

[Tom.Fu]

Hi Support Team

I use the ESP32 as the host processor of the OTBR and use the nRF52833 or nRF52840 as the RCP, but the log said that the RCP API version3 is older than min required by host 4 like the picture below when running the OTBR. Is there any newer version RCP API for this host ? Many thanks.

[Susheel Nuguru]

RCP vs 4 and 3 are not compatible as you can see the discussion here. I am asking few experts here to understand more on how to handle this error. Will be back to you as soon as I have some info to share. Mostly within 2 business days.

[Tom.Fu]

Hi

Ok， wait for your good news， many thanks.

[Susheel Nuguru]

Hi Tom, 

I am sorry, I was OoO right after I messaged you and did not manage to reach to the expert within techsupport  who knows this. I will try to reach to the broader expert group tomorrow  

[Tom.Fu]

Hi Susheel

No problem, thank you very much for your help. 

[Susheel Nuguru]

The RCP API that you are using is quite outdated, the latest version is 9. It's suggested that the RCP is updated.